ISL is a fully-accredited international school. It is accredited by both the Council of International Schools (CIS) based in the Netherlands and the New England Association of Schools and Colleges (NEASC) based in the United States.
ISL’s last joint accreditation visit took place in 2018, when ISL was awarded a full term for continued accreditation by both CIS and NEASC.
In addition, ISL is fully authorized by the International Baccalaureate Organization (IBO) to offer the Primary Years Program (Grades Pre-3 to 5), the Middle Years Program (Grades 6 to 10) and the Diploma Program (Grades 11-12).
ISL is also a full member of the Central and Eastern European Schools Association (CEESA).
